/**
 * Copyright (C) 2009 Matteo Merli <mm@merlimat.org>
 * 
 * $Id: PxlBaseIterator.java 17 2009-01-12 12:36:59Z matteo.merli $
 * $URL: http://pxl-lang.googlecode.com/svn/trunk/src/main/java/pxl/types/PxlBaseIterator.java $
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *         http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package pxl.types;

import java.util.Iterator;
import java.util.NoSuchElementException;

import pxl.types.annotations.Exported;

public class PxlBaseIterator extends PxlIterator
{

    private final Iterator<PxlObject> iterator;

    public PxlBaseIterator( Iterator<PxlObject> iterator )
    {
        this.iterator = iterator;
    }

    @Exported
    @Override
    public PxlBoolean hasNext()
    {
        return PxlBoolean.valueOf( iterator.hasNext() );
    }

    @Exported
    @Override
    public PxlObject next()
    {
        try
        {
            return iterator.next();

        } catch (NoSuchElementException nsee)
        {
            throw new IteratorException(
                    "There aren't elements left in the iterator." );
        }
    }

    @Exported
    @Override
    public void remove()
    {
        try
        {
            iterator.remove();
        } catch (Exception e)
        {

        }
    }

}
